Dropbox gives me pop-up errors about not being able to monitor the file system (that quickly disappear) when it starts up but it still seems to work ok, why is that?
On Linux, the Dropbox client is subject to a default system limit on the number of directories it can monitor for changes. There is a warning regarding this, along the lines of:
This comes up often in the Dropbox Forums, and they have a mention of it in their "Why aren't certain files on one computer syncing to another?" document:
After multiple tries I was still getting the "unable to monitor filesystem" error. I finally figured out why:
100,857 Files, 15,009 Folders
I had to bump my max_user_watches to a higher number.